S3 S3 S3 is Amazon Web Services’s solution for storing large files in the cloud.On a production system, you want your Amazon EC2 compute nodes on the same zoneas your S3 files ...
History Job Interface History Job Interface QueryRestfulApi class Interface address :/api/rest_j/v1/jobhistory/governanceStationAdmin Request method : GET Request data typ...
Troubleshooting Where are the Alluxio logs? Alluxio remote debug Setup FAQ Q: I’m new to Alluxio and cannot set up Alluxio on my local machine. What should I do? Q: I’m trying t...
Architecture Architecture Besides IoTDB engine, we also developed several components to provide better IoT service. All components are referred to below as the IoTDB suite, and...
Parquet文件 加载数据 配置 Parquet文件 Parquet是一种柱状(columnar)格式,可以被许多其它的数据处理系统支持。Spark SQL提供支持读和写Parquet文件的功能,这些文件可以自动地保留原始数据的模式。 加载数据 // sqlContext from the previous example is used...
Iterative Algorithms Iterative Applications and Lineage Checkpointing “Flat Transformations” Creating an Union of Multiple RDDs Joining Multiple RDDs Pushing Transformations to ...